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I did a clean install of the first Lucid Beta on my PC with a Radeon HD 4670 a few weeks ago and I am experiencing several randomly crashs a day. Crash means: I normally work on my PC (surfing, office, no gaming) and then suddenly X stops working... all I see then is a blank blinking screen with some striped artefacts and my cursor... blinking on and off and on and ...
I can ssh into the PC and when looking at dmesg I find this messages:

I did a clean install of the first Lucid Beta on my PC with a Radeon HD 4670 a few weeks ago and I am experiencing several randomly crashs a day. Crash means: I normally work on my PC (surfing, office, no gaming) and then suddenly X stops working... all I see then is a blank blinking screen with some striped artefacts and my cursor... blinking on and off and on and ...
I can ssh into the PC and when looking at dmesg I find this messages:

I installed the xorg-edgers PPA now too and it looks somewhat stable for now. Hopefully it is in the long term :-)

Greets. Grimsrud

I've been running Lucid + Xorg-edgers PPA for a while now (couple months) and have occasionally had stability issues... Last night, after reading this thread I finally grabbed a copy of the 2.6.34-rc5 mainline kernel and tried booting that.

This morning I gave padman, tremulous, and nexuiz a test run with only the 1680*1050 monitor enabled, and I'm positive that I could play those games just fine without issues.

My only current issue that I'm trying to figure out is that sometimes the machine keeps the monitors blank coming out of sleep mode. The kernel still responds to MagicKeys requests, but I haven't really gotten a chance to try to debug it yet.